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5305-00-225-3843

Find complete technical information, availability, and procurement data for: 5305-00-225-3843

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5305-00-225-3843
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-225-3843
Item Name Code
18257
Assigment Date
01/01/1963 (63 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

right-hand thread direction, hexagon head style, 0.750 inches minimum and 0.938 inches maximum thread length, 2a thread class, 0.969 inches minimum and 1.000 inches maximum fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a
Thread Direction
right-hand
Thread Length
0.750 inches minimum and 0.938 inches maximum
Fastener Length
0.969 inches minimum and 1.000 inches maximum
Head Style
hexagon
Head Height
0.150 inches minimum and 0.163 inches maximum
Width Between Flats
0.428 inches minimum and 0.438 inches maximum
End Item Identification
mrap-rg-33 armored utility vehicle (auv); mrap - m-atv with cs13 pop and sne; medium mine protected vehicle - ampv; multiple launch rocket system (mlrs); armored multi-purpose vehicle (ampv); a4 bradley fighting vehicle; a3 bradley fighting vehicle; logistics support vessel
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
20
Minimum Tensile Strength
150000 pounds per square inch
Surface Finish
63.0 microinches threads
Material
steel overall
Material Document And Classification
sae j429 grade 8 assn std single material response or astm a354 grade bd assn std single material response overall
Surface Treatment
zinc and chromate overall
Surface Treatment Document And Classification
astm b633 ty 2 sc 3 assn std single treatment response overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-018-6647 No Name Available 02/01/1980
5305-00-021-5267 No Name Available 04/03/2001
5305-00-022-7448 No Name Available 08/01/1979
5306-00-149-7109 No Name Available 07/01/1979
5305-00-209-2152 No Name Available 06/01/1990
5305-00-550-0563 No Name Available 07/09/2001
5305-01-088-6076 No Name Available 07/06/1998
5305-01-217-2897 No Name Available 03/01/1990
5305-01-227-1456 No Name Available 04/01/1990

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

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1-4-20X1 Hexagon Head Cap Screw
10082445 Hexagon Head Cap Screw
12569621-66 Hexagon Head Cap Screw
157846-20 Hexagon Head Cap Screw
18257-005 Hexagon Head Cap Screw
1C416 Hexagon Head Cap Screw
1C6360P07 Hexagon Head Cap Screw
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2950264 Hexagon Head Cap Screw
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456720125105 Hexagon Head Cap Screw
522C500006 Hexagon Head Cap Screw
5305002253843 Hexagon Head Cap Screw
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720244-41 Hexagon Head Cap Screw
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B1821BH025C100N Hexagon Head Cap Screw
MS35301-8 Hexagon Head Cap Screw
MS90728-8 Hexagon Head Cap Screw
N9694 Hexagon Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-225-3843?
The FSCG of the NSN 5305-00-225-3843 is 5305
Does the NSN 5305-00-225-3843 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-225-3843 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-00-225-3843 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-225-3843 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-00-225-3843 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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